Ontologia

State · usa

Maryland

United States

CfaTemperate, no dry season, hot summer(84 %)

Species observed

20 953

Observations

26 430 425

Area

25 669,3km²

Ecological tissue

Sample of 35 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Maryland : 24 espèces reliées par 75 interactions GloBI sur 3 types (connectance 12.6%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
75
Connectance
0.126
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

20 953 distinct species · 26 430 425 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 430 425 obs · 630 cellules
Obs. / cellule
≥ 414 228
100 632–414 227
33 295–100 631
13 362–33 294
< 13 362

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

13,1°C

Annual rain

1 157mm

Warmest m°

29,0°C

Coldest m°

-2,4°C

Elevation: 130 m on average (min -15 m, max 914 m)

Bioclimatic detailsExpert
Annual mean temp.
13,1°C
Annual rain
1 157mm
Warmest month
29,0°C
Coldest month
-2,4°C
Mean alt.
130m
Min
-15m
Max
914m
Std. dev.
197m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(84 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,2

Org. C

47,6g/kg

Clay

21,4%

Sand

36,0%

Silt

42,7%

Average over 0-30 cm. Per-depth details in expert panel.

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
102,3g/kg
Clay
20,4%
Sand
36,5%
Silt
43,2%
5–15 cm
pH H₂O
5,2
Org. C
27,5g/kg
Clay
20,7%
Sand
36,3%
Silt
43,0%
15–30 cm
pH H₂O
5,3
Org. C
13,1g/kg
Clay
23,0%
Sand
35,2%
Silt
41,8%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest51.7%
Crops14.8%
Built-up2.1%
Bare soil0.3%
Other (grassland, water…)31.1%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology50 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

3 114,3km

Lake surface here

90,32km²

Basins crossed

50

Max stream order

7

Max drainage

70 980km²

Discharge in basins

1 338,4m³/s

Mean precip.

1 075mm/an

Mean T°

12,2°C

Moisture idx

-0,02

Max snow

11%

Mean runoff

501mm/an

Mean elev. (basins)

138m

Watersheds crossing here

41 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

2hab/km²

Night light

4,9nW

Built-up

210,5%

Pesticides

20,6kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas100

IUCN V · 59IUCN III · 20IUCN IV · 10IUCN Not Assigned · 7IUCN Ib · 2IUCN Not Reported · 1IUCN VI · 1🌊 Marine · 43

DNR

IUCN Not Assigned

Conservation Easement

146 km²

Complete list

+ 40 protected areas (top 60 shown)

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations17